<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>登录</title>
    <style>
        body {
            margin: 0;
            padding: 0;
            font-family: sans-serif;
            background: url(../img/bg.jpg) no-repeat center 0px;
            /*background: url("http://tva1.sinaimg.cn/large/67a3a2b7ly1h83g37iyjsj21e00rs3zu.jpg")  no-repeat center 0px;*/
            background-size: cover;
            background-position: center 0;
            background-repeat: no-repeat;
            background-attachment: fixed;
            -webkit-background-size: cover;
            -o-background-size: cover;
            -moz-background-size: cover;
            -ms-background-size: cover;
        }
        
        .login-box {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 400px;
            padding: 40px;
            background: rgba(0, 0, 0, .8);
            box-sizing: border-box;
            box-shadow: 0 15px 25px rgba(0, 0, 0, .5);
            border-radius: 10px;
        }
        
        .login-box h2 {
            margin: 0 0 30px;
            padding: 0;
            text-align: center;
            color: #fff;
        }
        
        .login-box .login-field {
            position: relative;
        }
        
        .login-box .login-field input {
            width: 100%;
            padding: 10px 0;
            font-size: 16px;
            color: #fff;
            margin-bottom: 30px;
            border: none;
            border-bottom: 1px solid #fff;
            outline: none;
            background: transparent;
        }
        
        .login-box .login-field label {
            position: absolute;
            top: 0;
            left: 0;
            letter-spacing: 1px;
            padding: 10px 0;
            font-size: 16px;
            color: #fff;
            pointer-events: none;
            transition: .5s;
        }
        
        .login-box .login-field input:focus~label,
        .login-box .login-field input:valid~label {
            top: -23px;
            left: 0;
            color: aqua;
            font-size: 12px;
        }
        
        .login-box button {
            background: transparent;
            border: none;
            outline: none;
            color: #fff;
            background: #03a9f4;
            padding: 10px 20px;
            cursor: pointer;
            border-radius: 5px;
        }
    </style>

</head>

<body>
    <!---->
    <div class="login-box">
        <h2>测试平台</h2>
        <form action="http://127.0.0.1:8060/login" method="post" enctype="application/x-www-form-urlencoded">
            <div class="login-field">
                <input type="text" name="username" required="" />
                <label>Username</label>
            </div>
            <div class="login-field">
                <input type="password" name="password" required="" />
                <label>Password</label>
            </div>
            <button type="submit">Submit</button>
        </form>
    </div>


</body>

</html>